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Umbri

20.714° N   77.026° E  ·  280 M
47 /100
PEAK
Marginal, but there is a 1 hour gap from 22:30.
BEST WINDOW 22:30–23:30 · ASTRO DARK 22:30–05:30 · MOON 0%
Transparency
0.31
Seeing
0.99
Cloud
55%
Moon
0%

Fair tonight

Hour by hour, local to Umbri. Colour encodes the score and nothing else; every other measurement is luminance.

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
22
23
00
01
02
03
04
05
06
47
31
41
25
27
28
4
1
0
BEST WINDOW
Low cloud
2%
6%
6%
13%
6%
2%
6%
14%
16%
Mid cloud
2%
4%
13%
27%
13%
13%
98%
97%
100%
High cloud
53%
94%
55%
82%
98%
99%
99%
82%
50%
Transparency
0.31
0.29
0.28
0.26
0.27
0.27
0.28
0.29
0.29
Seeing
0.84
0.87
0.97
0.99
0.96
0.94
0.91
0.88
0.90
Moon clear
down
down
down
down
down
down
down
down
0%
Inspect

Cloud tracks show clear sky — a longer bar is better. The figure inside each track is the raw measurement.

Why this hour scored what it did
22 Fair · 47/100
Starting from
100
Cloud
−32
Transparency
−19
Seeing
−2
Moonlight
−0
Darkness
−0
Score
47
CLOUD 55% LOW 2% MID 2% HIGH 53% SUN -44.2° MOON -42.7° / 0% WIND 4 TEMP 26°
Excellent 75+ Good 55+ Fair 35+ Poor 15+ Not worth it Seeing is estimated from surface wind — see how we score.

What are you doing tonight?

The same forecast, weighted for the target. Planetary work barely cares about moonlight; long exposures die on high cloud a visual observer would never notice.

SET UP 22:00 · OBSERVE 22:30–23:30 · 1H · MEAN 46

Darkness and moonlight dominate. Faint fuzzies need a genuinely dark sky more than they need steady air.

2200020406
CLOUD RETURNS 23:30
SET UP 22:00 · OBSERVE 22:30–23:30 · 1H · MEAN 53

Seeing is everything and moonlight is irrelevant. Bright targets punch through twilight, so darkness barely counts.

2200020406
CLOUD RETURNS 23:30MOONLIGHT IGNORED FOR THIS TARGET
SET UP 22:00 · OBSERVE 22:30–23:30 · 1H · MEAN 39

Tolerates soft seeing, but high cloud wrecks a wide frame and moonlight raises the background everywhere.

2200020406
CLOUD RETURNS 23:30
NO USABLE WINDOW FOR THIS TARGET TONIGHT

Needs conditions to hold still for hours. Sustained transparency matters more than any single good hour.

2200020406
CLOUD NEVER DROPS BELOW 55%
SET UP 22:00 · OBSERVE 22:30–23:30 · 1H · MEAN 45

Naked eye, whole sky. Total cloud and moonlight are the only things that count.

2200020406
CLOUD RETURNS 23:30
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The next week of nights

Tonight · 12 Aug
47
Fair
MOON 0%
22:30–23:30
Tomorrow · 13 Aug
30
Poor
MOON 2%
Friday · 14 Aug
29
Poor
MOON 6%
Saturday · 15 Aug
14
Clouded out
MOON 13%
Sunday · 16 Aug
4
Clouded out
MOON 21%
Monday · 17 Aug
25
Poor
MOON 30%
Tuesday · 18 Aug
2
Clouded out
MOON 39%
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About this forecast

Conditions for Umbri, India are computed from the MET Norway forecast model for these exact coordinates, combined with sun and moon positions we calculate directly. The score weighs cloud cover by layer, atmospheric transparency, estimated seeing, moonlight and how dark the sky actually gets. Read the full method →